【多选题】
工作间断,若工作班离开工作地点,应采取措施或派人看守,不让人、畜接近( )等。
A. 挖好的基坑
B. 未竖立稳固的杆塔
C. 负载的起重和牵引机械装置
D. 工作地点
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答案
ABC
解析
暂无解析
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